Home / 22,308.11-30,786.06-12,236.98

Finding the Fourth Proportional to 22,308.11, 30,786.06 and 12,236.98

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Solution

The fourth proportional to 22,308.11, 30,786.06 and 12,236.98 is: 16,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.11 : 30,786.06 = 12,236.98 : x
  2. Step 2: Convert to fraction form
    22,308.11/30,786.06 = 12,236.98/x
  3. Step 3: Cross multiply
    22,308.11x = 30,786.06 × 12,236.98
  4. Step 4: Simplify right side
    22,308.11x = 376,728,185.38
  5. Step 5: Solve for x
    x = 376,728,185.38/22,308.11
  6. Step 6: Final answer
    x = 16,887.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.